AMBER HILDEBRANDT M.D.
NPI 1003889643
Family Medicine in Hartford, WI
About Amber Hildebrandt M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBER HILDEBRANDT M.D. (NPI 1003889643) is an individual family medicine provider in Hartford, Wisconsin, licensed in Wisconsin (45460) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Amber Hildebrandt M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Amber Hildebrandt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Glendale, WI 53212
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Amber Hildebrandt's NPI number?
The NPI number for Amber Hildebrandt is 1003889643. It was assigned to this individual provider in the NPPES registry on February 13, 2006.
Where is Amber Hildebrandt located?
Amber Hildebrandt practices at 110 Lone Oak Ln, Hartford, WI 53027. The listed phone number is (262) 670-1800.
What is Amber Hildebrandt's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Amber Hildebrandt enrolled in Medicare?
Yes. Amber Hildebrandt is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Amber Hildebrandt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amber Hildebrandt reassigns Medicare benefits to Ascension Medical Group-Southeast Wisconsin Inc (Glendale, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Amber Hildebrandt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amber Hildebrandt accept?
Health plans from Anthem Blue Cross and Blue Shield list Amber Hildebrandt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Amber Hildebrandt was last updated on April 1, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Amber Hildebrandt, M.D. · NPI 1003889643
Family Medicine physician in Hartford, Wisconsin. Individual provider, active in the CMS NPPES registry since February 13, 2006.
## Identity
- **NPI:** 1003889643 (Entity type: Individual)
- **Enumerated:** February 13, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 45460 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 LONE OAK LN, Hartford, WI 53027-2600
- **Phone:** (262) 670-1800
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ascension Medical Group-Southeast Wisconsin Inc (NPI 1609881077, Glendale, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 1, 2013
- **Other identifiers:** Medicaid 34419800 (WI); Medicare UPIN H93331 (WI); Medicare ID-Type Unspecified 0331 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1003889643) · Data from the CMS NPPES public registry.